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HLSL: iomapper: Fix #914. Tolerate user aliasing of bindings.

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Because it is valid in HLSL to alias bindings:
A) remove validation that aliasing is not done
B) make the algorithms tolerate aliasing
This commit is contained in:
John Kessenich
2017-06-01 18:16:33 -06:00
parent ae99875e42
commit d66c5b1299
4 changed files with 106 additions and 35 deletions
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88
Test/baseResults/spv.ssboAlias.frag.out Executable file
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@@ -0,0 +1,88 @@
spv.ssboAlias.frag
// Module Version 10000
// Generated by (magic number): 80001
// Id's are bound by 46
Capability Shader
1: ExtInstImport "GLSL.std.450"
MemoryModel Logical GLSL450
EntryPoint Fragment 4 "main" 43
ExecutionMode 4 OriginUpperLeft
Source HLSL 500
Name 4 "main"
Name 9 "@main("
Name 13 "Buf1"
MemberName 13(Buf1) 0 "@data"
Name 15 "Buf1"
Name 18 "Buf1@count"
MemberName 18(Buf1@count) 0 "@count"
Name 20 "Buf1@count"
Name 30 "Buf2"
Name 31 "Buf2@count"
Name 43 "@entryPointOutput"
Name 45 "Buf3"
Decorate 12 ArrayStride 4
MemberDecorate 13(Buf1) 0 Offset 0
Decorate 13(Buf1) BufferBlock
Decorate 15(Buf1) DescriptorSet 0
Decorate 15(Buf1) Binding 84
MemberDecorate 18(Buf1@count) 0 Offset 0
Decorate 18(Buf1@count) BufferBlock
Decorate 20(Buf1@count) DescriptorSet 0
Decorate 20(Buf1@count) Binding 83
Decorate 30(Buf2) DescriptorSet 0
Decorate 30(Buf2) Binding 85
Decorate 31(Buf2@count) DescriptorSet 0
Decorate 31(Buf2@count) Binding 86
Decorate 43(@entryPointOutput) Location 0
Decorate 45(Buf3) DescriptorSet 0
Decorate 45(Buf3) Binding 84
2: TypeVoid
3: TypeFunction 2
6: TypeFloat 32
7: TypeVector 6(float) 4
8: TypeFunction 7(fvec4)
11: TypeInt 32 0
12: TypeRuntimeArray 11(int)
13(Buf1): TypeStruct 12
14: TypePointer Uniform 13(Buf1)
15(Buf1): 14(ptr) Variable Uniform
16: TypeInt 32 1
17: 16(int) Constant 0
18(Buf1@count): TypeStruct 16(int)
19: TypePointer Uniform 18(Buf1@count)
20(Buf1@count): 19(ptr) Variable Uniform
21: TypePointer Uniform 16(int)
23: 16(int) Constant 1
24: 11(int) Constant 1
25: 11(int) Constant 0
27: 11(int) Constant 10
28: TypePointer Uniform 11(int)
30(Buf2): 14(ptr) Variable Uniform
31(Buf2@count): 19(ptr) Variable Uniform
34: 11(int) Constant 20
36: 6(float) Constant 1065353216
37: 6(float) Constant 1077936128
38: 6(float) Constant 1084227584
39: 7(fvec4) ConstantComposite 36 37 38 36
42: TypePointer Output 7(fvec4)
43(@entryPointOutput): 42(ptr) Variable Output
45(Buf3): 14(ptr) Variable Uniform
4(main): 2 Function None 3
5: Label
44: 7(fvec4) FunctionCall 9(@main()
Store 43(@entryPointOutput) 44
Return
FunctionEnd
9(@main(): 7(fvec4) Function None 8
10: Label
22: 21(ptr) AccessChain 20(Buf1@count) 17
26: 11(int) AtomicIAdd 22 24 25 23
29: 28(ptr) AccessChain 15(Buf1) 17 26
Store 29 27
32: 21(ptr) AccessChain 31(Buf2@count) 17
33: 11(int) AtomicIAdd 32 24 25 23
35: 28(ptr) AccessChain 30(Buf2) 17 33
Store 35 34
ReturnValue 39
FunctionEnd